scholarly journals The search for the neutron electric dipole moment at the Paul Scherrer Institute

2011 ◽  
Vol 17 ◽  
pp. 159-167 ◽  
Author(s):  
C.A. Baker ◽  
G. Ban ◽  
K. Bodek ◽  
M. Burghoff ◽  
Z. Chowdhuri ◽  
...  
Keyword(s):  
Dipole Moment ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Paul Scherrer Institute ◽  
Neutron Electric Dipole Moment ◽  
Paul Scherrer

scholarly journals nEDM experiment at PSI: Data-taking strategy and sensitivity of the dataset

2019 ◽  
Vol 219 ◽  
pp. 02001 ◽  
Author(s):  
C. Abel ◽  
N.J. Ayres ◽  
G. Ban ◽  
G. Bison ◽  
K. Bodek ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Dipole Moment ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Neutron Electric Dipole Moment ◽  
Systematic Effects ◽  
Paul Scherrer ◽  
Coherent Picture ◽  
The Magnetic Field ◽  
Better Than

We report on the strategy used to optimize the sensitivity of our search for a neutron electric dipole moment at the Paul Scherrer Institute. Measurements were made upon ultracold neutrons stored within a single chamber at the heart of our apparatus. A mercury cohabiting magnetometer together with an array of cesium magnetometers were used to monitor the magnetic field, which was controlled and shaped by a series of precision field coils. In addition to details of the setup itself, we describe the chosen path to realize an appropriate balance between achieving the highest statistical sensitivity alongside the necessary control on systematic effects. The resulting irreducible sensitivity is better than 1 × 10−26e cm. This contribution summarizes in a single coherent picture the results of the most recent publications of the collaboration.

scholarly journals The n2EDM experiment at the Paul Scherrer Institute

2019 ◽  
Vol 219 ◽  
pp. 02002 ◽  
Author(s):  
C. Abel ◽  
N. J. Ayres ◽  
G. Ban ◽  
G. Bison ◽  
K. Bodek ◽  
...  
Keyword(s):  
Dipole Moment ◽  
Electric Dipole ◽  
Room Temperature ◽  
Neutron Transport ◽  
Paul Scherrer Institute ◽  
Neutron Electric Dipole Moment ◽  
Storage Chamber ◽  
Order Of Magnitude ◽  
Paul Scherrer ◽  
Magnitude Increase

We present the new spectrometer for the neutron electric dipole moment (nEDM) search at the Paul Scherrer Institute (PSI), called n2EDM. The setup is at room temperature in vacuum using ultracold neutrons. n2EDM features a large UCN double storage chamber design with neutron transport adapted to the PSI UCN source. The design builds on experience gained from the previous apparatus operated at PSI until 2017. An order of magnitude increase in sensitivity is calculated for the new baseline setup based on scalable results from the previous apparatus, and the UCN source performance achieved in 2016.

scholarly journals Neutron electric dipole moment using lattice QCD simulations at the physical point

2021 ◽  
Vol 103 (5) ◽  
Author(s):  
C. Alexandrou ◽  
A. Athenodorou ◽  
K. Hadjiyiannakou ◽  
A. Todaro
Keyword(s):  
Dipole Moment ◽  
Lattice Qcd ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Neutron Electric Dipole Moment ◽  
Physical Point

scholarly journals Grand unification, the neutron electric dipole moment and galaxy formation

Nature ◽  
1981 ◽  
Vol 293 (5827) ◽  
pp. 41-43 ◽  
Author(s):  
John Ellis ◽  
Mary K. Gaillard ◽  
D. V. Nanopoulos ◽  
Serge Rudaz
Keyword(s):  
Dipole Moment ◽  
Electric Dipole Moment ◽  
Galaxy Formation ◽  
Electric Dipole ◽  
Grand Unification ◽  
Neutron Electric Dipole Moment
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